Android development fast learning! Tencent, Netease must ask 20 questions Android interview questions, I am sorry if you don’t understand it thoroughly

Preface

For android development, most of our work is in the application layer, but in order to reflect the "technical content" and "knowing why", so that we will not be helpless when encountering specific problems, so it is necessary to understand the underlying working mechanism.

For example, Android NDK development may not be commonly used in normal project development, but this does not mean that it is not important. On the contrary, NDK learning helps to deepen the developer's understanding of the source code of the reading frame, which is a skill that Android developers must master in the advanced process.

Why is NDK more and more important?

One is the rapid development of short video, live broadcast and other industries . Audio and video + social networking has become a new growth point for traffic. In the past two years, short video, live broadcast, online video and other industries have continued to explode. Among them, Douyin has become a leader, with daily activity exceeding 250 million, replacing QQ/WeChat on the 19th Year of the Pig Spring Festival Gala and becoming another national-level APP.

The second is a new round of integration and development of new technologies such as artificial intelligence, 5G, and the Internet of Things . We will continue to find practical locations. In the era when mobile is king, Android with 80% market share is the biggest beneficiary. According to operator news, 5G mobile phones will be launched in China in the second half of 2019 and will be fully commercialized in 2020, when audio and video will usher in another wave of upsurge.

In actual specific applications, in addition to the short video directions mentioned above, there are also major video applications. Image processing, filters, cropping and other operations require professional audio and video development knowledge to make.

1. Broaden knowledge

Interest can't be stopped when it comes! Learn programming from the beginning, from ASP to ASP.net, JS, Winform, Java, C++, PHP, Python, all self-study!

But here I want to say that if you don't have one or two programming languages ​​that you are familiar with, it is best not to teach yourself; getting started is the most difficult and time-consuming! If someone takes you to study, it can even save you 80% of your time. It is worthwhile to spend some money to study if you have this time to do bad things!

If you have the foundation, then self-study is relatively simple, and now there are a lot of materials for introductory materials (I need you to try to identify good or bad), especially the official Get Start is the best introductory textbook, but this requires you Learn English well, because the programming languages ​​are all in English, and the original documents are all in English, except for the easy language.

I shake your face with radish and Chinese cabbage! Many people have this idea: Now that the pressure in life is so great, I am interested in money, and I am interested in whichever money is more!

In fact, many people now choose work because they look at money, and work is just a hobby.

But this may also be the reason why many people remain obscured at work throughout their lives.

If a person does something that he doesn’t like to do for a long time, it will be difficult to succeed, but if a person concentrates on doing something that he likes, it means that he has the quality and talent to do this kind of thing, and he does it happily. , Of course, it is easier to succeed. Do what you can do, don't let your mental emotions become an obstruction in your life, and be happy.

Being loyal to your own feelings and doing what you want to do is the source of a person's vitality. As a living animal, no matter subjectively and objectively, it is born to do things, and it is an indispensable part of life. The greatest happiness in life is not financial satisfaction, but being able to let go of what you really want to do, and enjoy doing it best. Doing things to the extreme, doing things purely and at ease is a high level of life. Excavate the subconscious mind to the maximum, find out exactly what you want to do. Go your own way, you can do anything as long as you want, not to wait for a clear and reasonable reason. Do what you want to do. In many cases, it is not as easy as you think, but you must strive for it with your heart.

2、IOT

This is what I really want to say.

What is IOT?

Wait a minute, let me search.

IoT is the abbreviation of Internet of Things. The literal translation is "Internet of Things", and the accurate translation should be "Internet of Things". The Internet of Things (Internet of Things) is also known as the sensor network. Briefly speaking, it is the extension of the Internet from people to things. "Internet of Things" (Internet of Things) refers to a huge network formed by combining various information sensing devices, such as radio frequency identification devices, infrared sensors, global positioning systems, laser scanners and other devices with the Internet. The purpose is to connect all items to the network for easy identification and management.

The Internet of Things is connected to a router on the one hand, and a mobile phone on the other. In the future, the mobile phone will be a universal remote control that can control everything.

3. Mobile games

Nuggets guide for the mobile game industry:
1) The development of the mobile game industry tends to be rational, and the era of "product is king" is coming
2) Value transformation is more diversified, and the payment model is becoming mature
3) Mobile games go overseas, products and capital complement each other
4) End The four elements of the successful transplantation of Youdao Mobile Games
5) The future "socialization" of mobile games is indispensable
6) Giants lead the industry, and small companies make efforts

In addition, the idea of ​​being a programmer is to do everything by yourself. Sometimes I want to develop a game for my child that is more helpful for him to learn.

4. Abundant learning resources

It should be said that it is the peak period of Android development, various learning resources are very rich, and all aspects have become very mature.

Makes the cost of learning greatly reduced. There are many free learning videos and articles for reference.

If you encounter any problems, you can basically find a solution by searching the Internet.

At last

Students who want to know more about Dachang’s interview can ** click here to get the "Interview Document" for free** In addition, I also share some free high-quality resources, including: Android learning PDF + architecture video + source notes , advanced Architecture technology advanced brain map, Android development interview topic materials, advanced advanced architecture materials these pieces of content. Share with everyone, it is very suitable for friends who have interviews in the near future and want to continue to improve on the road of technology. Come and get learning materials~

Guess you like

Origin blog.csdn.net/fanzhang_vip0723/article/details/112838489